All lines with # cause problems on my system... once I disable these lines everything works correctly again.
It's not the best solution but while we wait for a fix to be found it helps
After reinstall
Step:
1- Install Qmail
2- Apt purge postfix
3- Install postfix (mail work and send but i have this error: mail fatal: open database /var/spool/postfix/plesk/virtual.db: No such file or directory
4- cmd plesk repair mail -y -v (mails are no longer sent...)
I don't have other...